Module to handle the fullscreen javascript api.

The module expose asset to

-Verify if full screen is supported

-Request full screen for alla document or specific widget***

-Exist full screen

-Check if current document is visible

***An element that you wish to place into fullscreen mode has to meet a small number of simple requirements:

• It must be one of the standard HTML elements or <svg> or <math>.
• It is not a <dialog> element.
• It must either be located within the top-level document or in an <iframe> which has the allowfullscreen attribute applied to it.